Home / 1,692,335.94-2,538,471.15-412,951.74

Finding the Fourth Proportional to 1,692,335.94, 2,538,471.15 and 412,951.74

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Solution

The fourth proportional to 1,692,335.94, 2,538,471.15 and 412,951.74 is: 619,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,335.94 : 2,538,471.15 = 412,951.74 : x
  2. Step 2: Convert to fraction form
    1,692,335.94/2,538,471.15 = 412,951.74/x
  3. Step 3: Cross multiply
    1,692,335.94x = 2,538,471.15 × 412,951.74
  4. Step 4: Simplify right side
    1,692,335.94x = 1,048,266,078,332.30
  5. Step 5: Solve for x
    x = 1,048,266,078,332.30/1,692,335.94
  6. Step 6: Final answer
    x = 619,419.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.